> I'm just a little lost as to where to start looking or how to > interpret what the problem is exactly. Any insight appreciated. I'm > happy to provide more info if it would be helpful.
You could write your instance also in cplex format specifying the option '--wcpxlp outfile' along with '--wopb' and then check both the files. AFAIK cplex lp format is very similar to opb format. _______________________________________________ Help-glpk mailing list Help-glpk@gnu.org http://lists.gnu.org/mailman/listinfo/help-glpk